[Qemu-devel] PATCH: allow defining MAC address etc

[jamal]

Ok, here goes as per discussion...

Please apply.
This patch is intended for allowing automated clever scripting
for networking (tuntap only).

It does the following:
1) extends syntax for specifying the macaddr

Examples:

a) "-nics 2"
Which will give you the
    0x52:0x54:0x00:0x12:0x34:0x56 for the first nic
and 0x52:0x54:0x00:0x12:0x34:0x57 for the second nic

b) "-nics 3 -macaddr 00:11:a:0:1:39"

Which will give first NIC 00:11:a:0:1:39, the second 00:11:a:0:1:3A
and the third 00:11:a:0:1:3B.

c) "-nics 2 -macaddr 00:11:a:0:2:19,00:11:a:0:1:19"
Which will give first NIC 00:11:a:0:2:19, the second 00:11:a:0:1:19

d) "-nics 3 -macaddr 00:11:a:0:1:39,00:11:a:0:3:19"

which will give the first NIC a MAC of 00:11:a:0:1:39 the second
00:11:a:0:3:19 and the last 00:11:a:0:1:3B

2) In addition to receiving the tun device name as $1, the
net setup script now receives $2 as the guest MAC address.
One could encode a byte or two in this MAC address for example as a
message to the host script so that it can do something like prepare a
route etc

cheers,
jamal

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